Cell phone jammer/ mobile phone blockers

The products-KYP0030 with ALC power control.it is for install in cars while the motor runing and no effect for other system in cars such as satalite control or security system..

Technical specifications:

1. Effective shielding range: 4-50 meters radius

2. Isolation bandwidth:  

                                     CDMA: 869-894MHz
                                     GSM: 925-960 MHZ
                                     DCS:1805-1880MHZ 

                                     WCDMA:2110-2170MHZ

                                     PHS:1900-1925MHZ

                                     PCS:1930-1990MHZ

3. Operation temperature: -40c to +55c
4. Humidity: 30% to 95%

5. Power adapter: 12V